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Reading the latest stable documentation [0], it appears that you have to use async? [0]: https://rocket.rs/guide/v0.5/upgrading/#stable-and-async-support https

• deleted 1y ago
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• Qwuke 1y ago
  Sorry, so you can use synchronous functions for writing middleware and routes, but the rocket core does use tokio. Not all async Rust webframeworks let you do away with async and futures entirely in your business logic.
  • gfs 1y ago
    So the caveat is you need to call `spawn_blocking` with synchronous functions. I see.
    • Qwuke 1y ago
      With a framework like Axum, yes, but with Rocket, no - you can just declare synchronous functions and pass them as a route handler, e.g.: https://github.com/Qwuke/recurse-ring/blob/main/src/main.rs#L185-L191 https://github.com/Qwuke/recurse-ring/blob/main/src/main.rs#... If you're averse to touching async fn's or tokio APIs _at all_, it's nice devex.